[Petya V4sechkin]

zhylik, результаты:

Код:

Crash date:         Tue Nov 17 16:42:58.171 2009 (GMT+3)
Stop error code:    0x50
Probably caused by: nv4_mini.sys ( nv4_mini+5e4d00 )

Crash date:         Tue Nov 17 16:41:10.578 2009 (GMT+3)
Stop error code:    0x50
Probably caused by: win32k.sys ( win32kInternalInvalidate2+cd )

Crash date:         Tue Nov 17 16:23:56.562 2009 (GMT+3)
Stop error code:    0x50
Probably caused by: win32k.sys ( win32kSleepInputIdle+60 )

Ситуация неопределенная, потестируйте память и включите проверку драйверов.